Despite the other answer, this looks like exponentiation.
The parentheses are necessary; without them

which happens to be 147 digits long.
We're asked

Parenthesized this way we can multiply the exponents

Two to the thirtieth is 1,073,741,824, about a billion. But that's not really that helpful for understanding what's going on so let's leave it as a power of two.
Answer:
